package com.muyu.system.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.muyu.common.core.constant.UserConstants;
import com.muyu.common.core.enums.SysDelFlagEnum;
import com.muyu.common.core.enums.SysNormalDisableEnum;
import com.muyu.common.core.exception.ServiceException;
import com.muyu.common.core.utils.SpringUtils;
import com.muyu.common.core.utils.StringUtils;
import com.muyu.common.core.utils.bean.BeanValidators;
import com.muyu.common.datascope.annotation.DataScope;
import com.muyu.common.security.utils.SecurityUtils;
import com.muyu.common.system.domain.SysRole;
import com.muyu.common.system.domain.SysUser;
import com.muyu.system.domain.SysPost;
import com.muyu.system.domain.SysUserPost;
import com.muyu.system.domain.SysUserRole;
import com.muyu.system.mapper.SysPostMapper;
import com.muyu.system.mapper.SysRoleMapper;
import com.muyu.system.mapper.SysUserMapper;
import com.muyu.system.service.SysConfigService;
import com.muyu.system.service.SysUserPostService;
import com.muyu.system.service.SysUserRoleService;
import com.muyu.system.service.SysUserService;
import jakarta.validation.Validator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import static com.muyu.common.core.constant.SplitConstants.COMMA_STR;

/**
 * 用户 业务层处理
 *
 * @author muyu
 */
@Service
public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> implements SysUserService {
    private static final Logger log = LoggerFactory.getLogger(SysUserServiceImpl.class);
    protected final Validator validator;
    private final SysUserMapper userMapper;
    private final SysRoleMapper roleMapper;
    private final SysPostMapper postMapper;
    private final SysUserRoleService sysUserRoleService;
    private final SysUserPostService sysUserPostService;
    private final SysConfigService configService;

    @Autowired
    public SysUserServiceImpl(Validator validator, SysUserMapper userMapper, SysRoleMapper roleMapper, SysPostMapper postMapper, SysUserRoleService sysUserRoleService, SysUserPostService sysUserPostService, SysConfigService configService) {
        this.validator = validator;
        this.userMapper = userMapper;
        this.roleMapper = roleMapper;
        this.postMapper = postMapper;
        this.sysUserRoleService = sysUserRoleService;
        this.sysUserPostService = sysUserPostService;
        this.configService = configService;
    }

    /**
     * 根据条件分页查询用户列表
     *
     * @param user 用户信息
     *
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectUserList (SysUser user) {
        return userMapper.selectUserList(user);
    }

    /**
     * 根据条件分页查询已分配用户角色列表
     *
     * @param user 用户信息
     *
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectAllocatedList (SysUser user) {
        return userMapper.selectAllocatedList(user);
    }

    /**
     * 根据条件分页查询未分配用户角色列表
     *
     * @param user 用户信息
     *
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectUnallocatedList (SysUser user) {
        return userMapper.selectUnallocatedList(user);
    }

    /**
     * 通过用户名查询用户
     *
     * @param userName 用户名
     *
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserByUserName (String userName) {
        return userMapper.selectUserByUserName(userName);
    }

    /**
     * 通过用户ID查询用户
     *
     * @param userId 用户ID
     *
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserById (Long userId) {
        return userMapper.selectUserById(userId);
    }

    /**
     * 查询用户所属角色组
     *
     * @param userName 用户名
     *
     * @return 结果
     */
    @Override
    public String selectUserRoleGroup (String userName) {
        List<SysRole> list = roleMapper.selectRolesByUserName(userName);
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(COMMA_STR));
    }

    /**
     * 查询用户所属岗位组
     *
     * @param userName 用户名
     *
     * @return 结果
     */
    @Override
    public String selectUserPostGroup (String userName) {
        List<SysPost> list = postMapper.selectPostsByUserName(userName);
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysPost::getPostName).collect(Collectors.joining(COMMA_STR));
    }

    /**
     * 校验用户名称是否唯一
     *
     * @param user 用户信息
     *
     * @return 结果
     */
    @Override
    public boolean checkUserNameUnique (SysUser user) {
        LambdaQueryWrapper<SysUser> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(SysUser::getUserName, user.getUserName());
        lambdaQueryWrapper.eq(SysUser::getDelFlag, SysDelFlagEnum.EXIST.getCode());
        lambdaQueryWrapper.ne(user.getUserId() != null,SysUser::getUserId, user.getUserId());
        if (this.count(lambdaQueryWrapper) > 0) {
            return UserConstants.UNIQUE;
        }
        return UserConstants.NOT_UNIQUE;
    }

    /**
     * 校验手机号码是否唯一
     *
     * @param user 用户信息
     *
     * @return
     */
    @Override
    public boolean checkPhoneUnique (SysUser user) {
        LambdaQueryWrapper<SysUser> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(SysUser::getPhonenumber, user.getPhonenumber());
        lambdaQueryWrapper.eq(SysUser::getDelFlag, SysDelFlagEnum.EXIST.getCode());
        lambdaQueryWrapper.ne(user.getUserId() != null,SysUser::getUserId, user.getUserId());
        if (this.count(lambdaQueryWrapper) > 0) {
            return UserConstants.UNIQUE;
        }
        return UserConstants.NOT_UNIQUE;
    }

    /**
     * 校验email是否唯一
     *
     * @param user 用户信息
     *
     * @return
     */
    @Override
    public boolean checkEmailUnique (SysUser user) {
        LambdaQueryWrapper<SysUser> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(SysUser::getEmail, user.getEmail());
        lambdaQueryWrapper.eq(SysUser::getDelFlag, SysDelFlagEnum.EXIST.getCode());
        lambdaQueryWrapper.ne(user.getUserId() != null,SysUser::getUserId, user.getUserId());
        if (this.count(lambdaQueryWrapper) > 0) {
            return UserConstants.UNIQUE;
        }
        return UserConstants.NOT_UNIQUE;
    }

    /**
     * 校验用户是否允许操作
     *
     * @param user 用户信息
     */
    @Override
    public void checkUserAllowed (SysUser user) {
        if (StringUtils.isNotNull(user.getUserId()) && user.isAdmin()) {
            throw new ServiceException("不允许操作超级管理员用户");
        }
    }

    /**
     * 校验用户是否有数据权限
     *
     * @param userId 用户id
     */
    @Override
    public void checkUserDataScope (Long userId) {
        if (!SysUser.isAdmin(SecurityUtils.getUserId())) {
            SysUser user = new SysUser();
            user.setUserId(userId);
            List<SysUser> users = SpringUtils.getAopProxy(this).selectUserList(user);
            if (StringUtils.isEmpty(users)) {
                throw new ServiceException("没有权限访问用户数据！");
            }
        }
    }

    /**
     * 新增保存用户信息
     *
     * @param user 用户信息
     *
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void insertUser (SysUser user) {
        // 新增用户信息
        this.save(user);
        // 新增用户岗位关联
        insertUserPost(user);
        // 新增用户与角色管理
        insertUserRole(user);
    }

    /**
     * 注册用户信息
     *
     * @param user 用户信息
     *
     * @return 结果
     */
    @Override
    public void registerUser (SysUser user) {
        this.save(user);
    }

    /**
     * 修改保存用户信息
     *
     * @param user 用户信息
     *
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateUser (SysUser user) {
        Long userId = user.getUserId();
        // 删除用户与角色关联
        sysUserRoleService.deleteUserRoleByUserId(userId);
        // 新增用户与角色管理
        insertUserRole(user);
        // 删除用户与岗位关联
        sysUserPostService.deleteUserPostByUserId(userId);
        // 新增用户与岗位管理
        insertUserPost(user);
        this.updateById(user);
    }

    /**
     * 用户授权角色
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void insertUserAuth (Long userId, Long[] roleIds) {
        sysUserRoleService.deleteUserRoleByUserId(userId);
        insertUserRole(userId, roleIds);
    }

    /**
     * 修改用户状态
     *
     * @param user 用户信息
     *
     * @return 结果
     */
    @Override
    public void updateUserStatus (SysUser user) {
        // set status = #{status}
        //        where user_id = #{userId}
        LambdaUpdateWrapper<SysUser> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        lambdaUpdateWrapper.eq(SysUser::getUserId, user.getUserId());
        lambdaUpdateWrapper.set(SysUser::getStatus, user.getStatus());
        this.update(lambdaUpdateWrapper);
    }

    /**
     * 修改用户基本信息
     *
     * @param user 用户信息
     *
     * @return 结果
     */
    @Override
    public void updateUserProfile (SysUser user) {
        this.updateById(user);
    }

    /**
     * 修改用户头像
     *
     * @param userName 用户名
     * @param avatar   头像地址
     *
     * @return 结果
     */
    @Override
    public void updateUserAvatar (String userName, String avatar) {
        LambdaUpdateWrapper<SysUser> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        lambdaUpdateWrapper.eq(SysUser::getUserName, userName);
        lambdaUpdateWrapper.set(SysUser::getAvatar, avatar);
        this.update(lambdaUpdateWrapper);
    }

    /**
     * 重置用户密码
     *
     * @param user 用户信息
     *
     * @return 结果
     */
    @Override
    public void resetPwd (SysUser user) {
        LambdaUpdateWrapper<SysUser> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        lambdaUpdateWrapper.set(SysUser::getPassword, user.getPassword());
        lambdaUpdateWrapper.set(SysUser::getUpdateBy, SecurityUtils.getUsername());
        lambdaUpdateWrapper.eq(SysUser::getUserName, user.getUserName());
        this.update(lambdaUpdateWrapper);
    }

    /**
     * 重置用户密码
     *
     * @param userName 用户名
     * @param password 密码
     *
     * @return 结果
     */
    @Override
    public void resetUserPwd (String userName, String password) {
        LambdaUpdateWrapper<SysUser> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        lambdaUpdateWrapper.set(SysUser::getPassword, password);
        lambdaUpdateWrapper.eq(SysUser::getUserName, userName);
        this.update(lambdaUpdateWrapper);
    }

    /**
     * 新增用户角色信息
     *
     * @param user 用户对象
     */
    public void insertUserRole (SysUser user) {
        this.insertUserRole(user.getUserId(), user.getRoleIds());
    }

    /**
     * 新增用户岗位信息
     *
     * @param user 用户对象
     */
    public void insertUserPost (SysUser user) {
        Long[] posts = user.getPostIds();
        if (StringUtils.isNotEmpty(posts)) {
            // 新增用户与岗位管理
            List<SysUserPost> list = new ArrayList<>();
            for (Long postId : posts) {
                SysUserPost up = new SysUserPost();
                up.setUserId(user.getUserId());
                up.setPostId(postId);
                list.add(up);
            }
            sysUserPostService.saveBatch(list);
        }
    }

    /**
     * 新增用户角色信息
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    public void insertUserRole (Long userId, Long[] roleIds) {
        if (StringUtils.isNotEmpty(roleIds)) {
            // 新增用户与角色管理
            List<SysUserRole> list = new ArrayList<>();
            for (Long roleId : roleIds) {
                SysUserRole ur = new SysUserRole();
                ur.setUserId(userId);
                ur.setRoleId(roleId);
                list.add(ur);
            }
            sysUserRoleService.saveBatch(list);
        }
    }

    /**
     * 通过用户ID删除用户
     *
     * @param userId 用户ID
     *
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteUserById (Long userId) {
        // 删除用户与角色关联
        sysUserRoleService.deleteUserRoleByUserId(userId);
        // 删除用户与岗位表
        sysUserPostService.deleteUserPostByUserId(userId);
        LambdaUpdateWrapper<SysUser> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        lambdaUpdateWrapper.set(SysUser::getDelFlag, SysDelFlagEnum.NOT_EXIST.getCode());
        lambdaUpdateWrapper.eq(SysUser::getUserId, userId);
        this.update(lambdaUpdateWrapper);
    }

    /**
     * 批量删除用户信息
     *
     * @param userIds 需要删除的用户ID
     *
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteUserByIds (List<Long> userIds) {
        for (Long userId : userIds) {
            checkUserAllowed(new SysUser(userId));
            checkUserDataScope(userId);
        }
        // 删除用户与角色关联
        sysUserRoleService.deleteUserRole(userIds);
        // 删除用户与岗位关联
        sysUserPostService.deleteUserPost(userIds);
        LambdaUpdateWrapper<SysUser> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        lambdaUpdateWrapper.set(SysUser::getDelFlag, SysDelFlagEnum.NOT_EXIST.getCode());
        lambdaUpdateWrapper.in(SysUser::getUserId, userIds);
        this.update(lambdaUpdateWrapper);
    }

    /**
     * 导入用户数据
     *
     * @param userList        用户数据列表
     * @param isUpdateSupport 是否更新支持，如果已存在，则进行更新数据
     * @param operName        操作用户
     *
     * @return 结果
     */
    @Override
    public String importUser (List<SysUser> userList, Boolean isUpdateSupport, String operName) {
        if (StringUtils.isNull(userList) || userList.size() == 0) {
            throw new ServiceException("导入用户数据不能为空！");
        }
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        String password = configService.selectConfigByKey("sys.user.initPassword");
        for (SysUser user : userList) {
            try {
                // 验证是否存在这个用户
                SysUser u = userMapper.selectUserByUserName(user.getUserName());
                if (StringUtils.isNull(u)) {
                    BeanValidators.validateWithException(validator, user);
                    user.setPassword(SecurityUtils.encryptPassword(password));
                    user.setCreateBy(operName);
                    this.save(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 导入成功");
                } else if (isUpdateSupport) {
                    BeanValidators.validateWithException(validator, user);
                    checkUserAllowed(u);
                    checkUserDataScope(u.getUserId());
                    user.setUserId(u.getUserId());
                    user.setUpdateBy(operName);
                    this.updateById(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 更新成功");
                } else {
                    failureNum++;
                    failureMsg.append("<br/>" + failureNum + "、账号 " + user.getUserName() + " 已存在");
                }
            } catch (Exception e) {
                failureNum++;
                String msg = "<br/>" + failureNum + "、账号 " + user.getUserName() + " 导入失败：";
                failureMsg.append(msg + e.getMessage());
                log.error(msg, e);
            }
        }
        if (failureNum > 0) {
            failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
            throw new ServiceException(failureMsg.toString());
        } else {
            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
        }
        return successMsg.toString();
    }
    /**
     * 检查部门下是否含有用户
     *
     * @param deptId 部门ID
     * @return 是：true 否：false
     */
    @Override
    public boolean checkDeptExistUser(Long deptId) {
        LambdaQueryWrapper<SysUser> lambdaQueryWrapper = new LambdaQueryWrapper<SysUser>()
                .eq(SysUser::getDeptId, deptId)
                .eq(SysUser::getDelFlag, SysNormalDisableEnum.ENABLE.getCode());
        return this.count(lambdaQueryWrapper) > 0;
    }
}
